#!/usr/bin/env node

const http = require('http'),
      url = require('url'),
      qs = require('querystring');

// url:http://localhost:8080/add?x=2&y=3

http.createServer((req, res) => {
  const addr = url.parse(req.url)
  if (addr.pathname === '/add') {
    const arg = qs.parse(addr.query)
    const r = {}
    r.add = Number(arg.x) + Number(arg.y)
    res.end(JSON.stringify(r))
  }
  //res.end('OK')
}).listen(8080)
